Area Architects Slides
Area Architects
Building Rectangles & Finding Space
3rd Grade Math Intervention
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What is Area?
Area is the total space inside a flat shape.
We measure it in square units.
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Area = 12 Square Units
Rows and Columns
Row = Side Length (Length)
Column = Side Width
"Instead of counting every tile, we can just multiply the sides!"
The Area Blueprint
Length
L
Width
W
=
Area
A
\[ Area = Length \times Width \]
Real-World Architect
The Sandbox Problem
A playground needs a new sandbox. The length is 5 feet and the width is 4 feet.
How much space do we have?
\( 5 \times 4 = \text{? square feet} \)
5 ft 4 ft
Our Strategy Today
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TILE
Use square tiles to fill the shape first.
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TALLY
Count the rows and columns.
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TEST
Multiply the sides to check your work!
I can identify length and width.
I can use the formula \( L \times W \).
Square Squad Worksheet
Square Squad
Official Area Architect Worksheet
Name:
Date:
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Level 1: Count & Confirm
Count the square units to find the area. Then, write the multiplication sentence.
Area: ________ sq units
____ × ____ = ____
Area: ________ sq units
____ × ____ = ____
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Level 2: The Tiling Task
Draw the square units inside the rectangle. Label the Length and Width.
6 units long & 3 units wide
LENGTH (6)
WIDTH (3)
Area: ____ × ____ = ____ sq units
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Level 3: Formula Mastery
Use the Blueprint Formula (A = L × W) to solve these real-world projects.
The Tablet Screen: A tablet screen is 8 inches long and 6 inches wide. What is the total area of the screen?
Work Space
________ sq in
The Magic Rug: A small rug in the library is 9 feet long and 5 feet wide. How many square feet of floor does it cover?
Work Space
________ sq ft
Architect Self-Check:
I need a little help
I'm getting it!
I'm an Area Expert!